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CVE-2021-21946

Description

Two heap-based buffer overflow vulnerabilities exists in the JPEG-JFIF lossless Huffman image parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger these vulnerabilities.This heap-based buffer overflow takes place when the `SOF3` precision is lower than 9.

POC

Reference

- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1375

Github

No PoCs found on GitHub currently.